Home / 255,136,258.11-382,760,201.22-82,630,509.51

Finding the Fourth Proportional to 255,136,258.11, 382,760,201.22 and 82,630,509.51

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Solution

The fourth proportional to 255,136,258.11, 382,760,201.22 and 82,630,509.51 is: 123,963,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,136,258.11 : 382,760,201.22 = 82,630,509.51 : x
  2. Step 2: Convert to fraction form
    255,136,258.11/382,760,201.22 = 82,630,509.51/x
  3. Step 3: Cross multiply
    255,136,258.11x = 382,760,201.22 × 82,630,509.51
  4. Step 4: Simplify right side
    255,136,258.11x = 31,627,670,446,958,728
  5. Step 5: Solve for x
    x = 31,627,670,446,958,728/255,136,258.11
  6. Step 6: Final answer
    x = 123,963,840.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.